>
> Nono, though you could enrichen deuterium in situ, at least in
> principle, tritium is not plentiful, you have to breed it from lithium
> (9?) using massive amounts of neutrons, and you'll need a lot of juice
> to assemble a magnetic flux compression generator, plus a ton or so of
> high explosives from the thin air and a handful of dirt.

Tritium is not necessary, it just lowers the initial pressure/temp requirement.
The technique I have in mind does not use magnetic compression either.